[ADD]GMO: copy of the drop-down list support from the Acsone branch of Arelle. The change is incomplete. It lacks the updates for some other files. They will be changed by simply applying the original Acsone commits.
[ADD]GMO: copy of the drop-down list support from the Acsone branch of Arelle. The change is incomplete. It lacks the updates for some other files. They will be changed by simply applying the original Acsone commits.

sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle